//---------------------------------------------------------------------------------------- // Run void CCudaForwardProjectionAlgorithm3D::run(int) { // check initialized assert(m_bIsInitialized); #if 1 CCompositeGeometryManager cgm; cgm.doFP(m_pProjector, m_pVolume, m_pProjections); #else const CProjectionGeometry3D* projgeom = m_pProjections->getGeometry(); const CVolumeGeometry3D& volgeom = *m_pVolume->getGeometry(); Cuda3DProjectionKernel projKernel = ker3d_default; if (m_pProjector) { CCudaProjector3D* projector = dynamic_cast<CCudaProjector3D*>(m_pProjector); projKernel = projector->getProjectionKernel(); } #if 0 // Debugging code that gives the coordinates of the corners of the volume // projected on the detector. { float fX[] = { volgeom.getWindowMinX(), volgeom.getWindowMaxX() }; float fY[] = { volgeom.getWindowMinY(), volgeom.getWindowMaxY() }; float fZ[] = { volgeom.getWindowMinZ(), volgeom.getWindowMaxZ() }; for (int a = 0; a < projgeom->getProjectionCount(); ++a) for (int i = 0; i < 2; ++i) for (int j = 0; j < 2; ++j) for (int k = 0; k < 2; ++k) { float fU, fV; projgeom->projectPoint(fX[i], fY[j], fZ[k], a, fU, fV); ASTRA_DEBUG("%3d %c1,%c1,%c1 -> %12f %12f", a, i ? ' ' : '-', j ? ' ' : '-', k ? ' ' : '-', fU, fV); } } #endif astraCudaFP(m_pVolume->getDataConst(), m_pProjections->getData(), &volgeom, projgeom, m_iGPUIndex, m_iDetectorSuperSampling, projKernel); #endif }